condition	mean	min	max
0 h after light	22.01695	19.8268	24.2071
4 h after light	12.065415	9.46973	14.6611
8 h after light	13.67175	13.2448	14.0987
4 h after dark	15.24655	13.3873	17.1058
8 h after dark	21.7553	21.3576	22.153
12 h after dark	18.03765	16.7064	19.3689